LB2012T470K Equivalent & Substitute Parts

Part Overview

The LB2012T470K is a 47 µH unshielded wirewound inductor manufactured by Taiyo Yuden, designed for surface mount applications in the 0805 (2012 Metric) package. This component operates at 60 mA with a DC resistance of 3.7 Ohm and supports operating temperatures from -40°C to 105°C. The part carries a "Not For New Designs" status, indicating that alternative components should be evaluated for new development projects. Identifying equivalent substitute parts ensures design continuity and supply chain flexibility for existing applications.

Substiute Parts

LB2012T470K

Taiyo YudenIn Stock: 365294LB2012T470K Datasheet

Current PartRFQ

LSQBA201212T470K

Taiyo YudenIn Stock: 1119LSQBA201212T470K Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LB2012T470K is determined by strict equivalence across the following critical parameters:

• Inductance Value: 47 µH with ±10% tolerance
• Current Rating: 60 mA maximum
• DC Resistance: 3.7 Ohm
• Package Configuration: 0805 (2012 Metric) surface mount
• Physical Dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm), Height 0.057" (1.45mm) maximum
• Operating Temperature Range: -40°C to 105°C
• Self Resonant Frequency: 11 MHz
• Inductance Test Frequency: 2.52 MHz
• Regulatory Compliance: ROHS3 Compliant, REACH Unaffected

Substitute parts must match all electrical specifications and physical constraints to ensure direct compatibility without circuit redesign or board layout modifications.

Parameter Comparison

Engineering Selection Recommendations

The LSQBA201212T470K serves as a direct electrical and mechanical equivalent to the LB2012T470K. Both components are manufactured by Taiyo Yuden and share identical electrical specifications, physical dimensions, and regulatory compliance certifications.

The primary distinction between these parts is product status: the LB2012T470K carries a "Not For New Designs" designation, while the LSQBA201212T470K maintains "Active" status. For applications currently using the LB2012T470K, the LSQBA201212T470K provides a qualified substitute with ongoing manufacturer support and availability.

Both parts comply with ROHS3 requirements, maintain REACH Unaffected status, and carry EAR99 export classification. Moisture sensitivity level is identical at MSL 1 (Unlimited), indicating no special storage or handling requirements.

The LSQBA201212T470K is suitable for direct substitution in existing designs without circuit modification or board layout changes, provided that the ferrite core material specification is compatible with the application's electromagnetic environment.

Frequently Asked Questions (FAQ)

Q: Can the LSQBA201212T470K replace the LB2012T470K in existing designs?

A: Yes. Both components share identical inductance values (47 µH), current ratings (60 mA), DC resistance (3.7 Ohm), package dimensions (0805 / 2012 Metric), and operating temperature ranges (-40°C to 105°C). Direct substitution is supported without circuit redesign.

Q: What is the significance of the "Not For New Designs" status on the LB2012T470K?

A: This designation indicates that the manufacturer recommends using alternative components for new development projects. The LSQBA201212T470K, with "Active" status, is the recommended alternative for new applications.

Q: Are the physical dimensions identical between these two parts?

A: Yes. Both components measure 0.079" L x 0.049" W (2.00mm x 1.25mm) with a maximum seated height of 0.057" (1.45mm). They are fully compatible with identical PCB footprints and assembly processes.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both the LB2012T470K and LSQBA201212T470K are ROHS3 Compliant, REACH Unaffected, and classified as EAR99 for export purposes. They carry identical HTSUS codes (8504.50.8000).

Q: What is the difference in core material between these inductors?

A: The LB2012T470K core material is not specified in the technical data. The LSQBA201212T470K uses a ferrite core. Both achieve the same electrical performance specifications at the specified test frequency of 2.52 MHz.

Q: Are there any differences in moisture sensitivity or storage requirements?

A: No. Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity concerns and no special storage or handling requirements.

Q: Can these parts be used interchangeably in high-frequency applications?

A: Both components share identical self-resonant frequency specifications (11 MHz) and inductance test frequency (2.52 MHz). They are interchangeable for applications within these frequency parameters.